Back to the Future VERY RARE 35mm Print Teaser Trailer | Michael J. Fox

Back to the Future is a 1985 American science‑fiction film directed by Robert Zemeckis and written by Zemeckis and Bob Gale. It stars Michael J. Fox as Marty McFly, a teenager who is accidentally sent back to 1955 in a time‑traveling DeLorean built by his eccentric scientist friend Emmett "Doc" Brown (Christopher Lloyd). While in the past, Marty inadvertently prevents his future parents from falling in love, threatening his own existence, and must reconcile the pair and find a way to return to the future.